The Web Management Console can not be accessed from browser. You get an error message (connection refused) or your browser is waiting for reply.
Please make sure your computer can access the MetaDefender Email Gateway Security IP address.
Please make sure you entered the correct URL into your browser.
Please make sure you opened the firewall port on the MetaDefender Email Gateway Security server for the Web Management Console. Consult your Linux Distribution manual on how to configure a firewall in your distribution.